VIRUS: an ultracheap 1000-object IFU spectrograph

Details VIRUS: an ultracheap 1000-object IFU spectrograph VIRUS: an ultracheap 1000-object IFU spectrograph

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4836..306h&link_type=abstract

Survey and Other Telescope Technologies and Discoveries. Edited by Tyson, J. Anthony; Wolff, Sidney. Proceedings of the SPIE,

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The VIsible Replicable Ultra-cheap Spectrograph (VIRUS) is a multi-spectrograph made up of 64 individually small and simple "spectrographlets". It represents a new approach to the design of a highly multiplexed spectrograph, offering the science multiplex advantage of ~103 objects per exposure, coupled with the engineering multiplex advantage of ~102 spectrographs making up a whole. We argue that this is a cost-effective approach when compared to traditional spectrograph design, where each instrument is essentially a one-off prototype with heavy expenditure on engineering effort. In this paper we describe the conceptual design of VIRUS and compare its cost to conventional spectrographs.

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